Home / 197,200.05-295,903.35-90,616.20

Finding the Fourth Proportional to 197,200.05, 295,903.35 and 90,616.20

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Solution

The fourth proportional to 197,200.05, 295,903.35 and 90,616.20 is: 135,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,200.05 : 295,903.35 = 90,616.20 : x
  2. Step 2: Convert to fraction form
    197,200.05/295,903.35 = 90,616.20/x
  3. Step 3: Cross multiply
    197,200.05x = 295,903.35 × 90,616.20
  4. Step 4: Simplify right side
    197,200.05x = 26,813,637,144.27
  5. Step 5: Solve for x
    x = 26,813,637,144.27/197,200.05
  6. Step 6: Final answer
    x = 135,971.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.